Parmesan Onion Bake
Parmesan Onion Bake combines tender sautéed onions and celery with a creamy, cheesy sauce, topped with toasted pecans for added crunch. This comforting dish offers rich flavors of Parmesan and caramelized onions, making it perfect as a side or a vegetarian main for family dinners and gatherings.
Ingredients
Instructions
- Saute onions and celery until tender in 3 tablespoons of butter; drain and set aside.
- In a saucepan, melt the remaining butter; stir in flour, salt, and pepper until smooth.
- Gradually stir in milk and bring to a boil.
- Cook for 2 minutes until thickened, stirring constantly.
- Pour the sauce over the vegetables and toss to coat.
- Sprinkle with grated Parmesan cheese and chopped pecans before serving.
Tips & Substitutions
For a richer flavor, consider using caramelized onions instead of simply sautéing them. If you don’t have pecans, walnuts or almonds can be a great substitute. To lighten the dish, you could use low-fat milk or a non-dairy milk alternative. Adjust the seasoning by adding garlic powder or herbs like thyme for an extra kick.
Serving Suggestions
This Parmesan Onion Bake makes a delightful side dish for roasted meats or a vegetarian main when served with a fresh salad. It pairs beautifully with Chicken Sandwich Spread for a heartier meal. Consider serving it alongside crusty bread to soak up the creamy sauce.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, warm in the oven at 350°F (175°C) until heated through, about 15-20 minutes. You can also microwave individual portions, but be sure to cover them to prevent drying out.
Nutrition & Diet Analysis (per serving)
Each serving of Parmesan Onion Bake contains roughly 578 calories, with 19g protein, 99g carbohydrates, and 21g fat. It is an excellent source of dietary fiber (99% of the Daily Value), iron (67% of the Daily Value), and calcium (46% of the Daily Value). Note that it is relatively high in sodium, at 1565mg per serving (68% of the Daily Value).
Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.
* % Daily Values based on a 2,000 calorie diet (FDA 2020).
Frequently Asked Questions
Can I prepare this dish ahead of time?
Yes, you can prepare the dish a day in advance. Assemble it up to the baking step, cover it tightly, and refrigerate. When you're ready to serve, just bake it straight from the fridge, adding a few extra minutes to the cooking time for best results.
What can I substitute for Parmesan cheese?
If you don't have Parmesan cheese, Pecorino Romano or nutritional yeast are excellent alternatives. For a vegan option, nutritional yeast will provide a similar umami flavor without dairy, making it suitable for various dietary preferences.
Is this recipe suitable for freezing?
Yes, this dish can be frozen. After baking, let it cool completely, then transfer to a freezer-safe container. It should keep well for up to 2 months. To reheat, thaw overnight in the fridge and then warm in the oven until heated through.
Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).